C programming courses can help you learn syntax, data structures, algorithms, and memory management. You can build skills in debugging, optimizing code, and implementing efficient algorithms. Many courses introduce tools like GCC for compiling code, GDB for debugging, and libraries such as the Standard Template Library (STL) to enhance functionality. You'll also explore concepts like pointers, file handling, and dynamic memory allocation, which are crucial for developing robust applications.

Duke University
Skills you'll gain: Pandas (Python Package), Version Control, Git (Version Control System), Data Manipulation, Software Development Tools, Development Environment, Data Structures, Python Programming, Microsoft Development Tools, Data Analysis Software, Package and Software Management, Virtual Environment
★ 4.6 (279) · Beginner · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Algorithms, Computer Programming, Computational Thinking, Graph Theory
★ 4.8 (321) · Mixed · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Regression Analysis, Logistic Regression, Statistical Methods, Statistical Analysis, Statistical Modeling, Data Analysis, Correlation Analysis, SAS (Software), Statistical Programming, Statistical Inference, Predictive Modeling, Model Evaluation, Python Programming
★ 4.4 (274) · Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Core Data (Software), Apple iOS, iOS Development, JSON, Objective-C (Programming Language), OAuth, Authentications, Mobile Development, Single Sign-On (SSO), Web Services, Secure Coding, Data Store, Cryptographic Protocols, Application Security, Data Persistence
★ 4.5 (255) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
★ 4.4 (118) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Time Series Analysis and Forecasting, Deep Learning, Statistical Analysis, Predictive Modeling, Statistical Methods, Forecasting, Data Preprocessing, Statistical Modeling, Statistical Machine Learning, Applied Machine Learning, Data Transformation, Model Evaluation, Unsupervised Learning, Dimensionality Reduction
★ 4.5 (147) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Training, Regression Analysis, NumPy, Machine Learning Algorithms, Machine Learning, Model Optimization, Deep Learning, Data Science, Python Programming
★ 4.6 (441) · Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Prompt Engineering, Prompt Patterns, Responsible AI, AI Integrations, OpenAI API, OpenAI, Generative AI, API Testing, Data Ethics, AI Security, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Fine-tuning, Computer Programming, Key Management
★ 4.5 (164) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Agentic systems, Generative AI Agents, LLM Application, AI Integrations, Tool Calling, Large Language Modeling, Software Design Patterns, Memory Management
★ 4.7 (109) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ASP.NET, HTML and CSS, C# (Programming Language), React.js, Object Oriented Programming (OOP), Restful API, .NET Framework, React Redux, Web Applications, Hypertext Markup Language (HTML), Front-End Web Development, JSON, JavaScript Frameworks, Web Design and Development, Web Development Tools, UI Components, Javascript, Web Development, User Interface (UI), Cascading Style Sheets (CSS)
★ 4.2 (359) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Data Structures, Java Programming, Development Testing, Algorithms, Program Development, Software Testing, Java, Test Automation, Test Case, Software Development, Scalability
★ 4 (64) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Systems Development Life Cycle, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, Software Quality Assurance, Software Configuration Management, User Acceptance Testing (UAT), System Design and Implementation, Change Control, Test Case, Requirements Analysis, Waterfall Methodology, Project Management
★ 4.7 (150) · Intermediate · Course · 1 - 3 Months